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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 賴朝明(Chag-Ming Lai) | |
| dc.contributor.author | Chien-Chih Lee | en |
| dc.contributor.author | 李建志 | zh_TW |
| dc.date.accessioned | 2021-06-13T04:29:51Z | - |
| dc.date.available | 2007-07-24 | |
| dc.date.copyright | 2006-07-24 | |
| dc.date.issued | 2006 | |
| dc.date.submitted | 2006-07-20 | |
| dc.identifier.citation | 王巧萍。2006。森林土壤碳庫與大氣二氧化碳之互動。林業研究專訊。13(1):11-13。
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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/33220 | - |
| dc.description.abstract | 本研究目的為探究六龜森林土壤與碳循環有關之酵素活性及其與土壤性質特別是土壤有機碳含量之關係，並分析土壤有機碳與酵素活性之季節性的變化。本研究在農委會林業試驗所六龜研究中心之試驗林選取台灣杉人工林(N 23˚00΄13˝ E 120˚42΄25˝)與天然闊葉林(N 22˚59΄57˝ E 120˚42΄33˝)，闊葉林以樟科和殼斗科為主，進行其土壤分層(每層20 cm)採樣，並測定與碳循環有關的三種土壤酵素活性(β-配醣酶、β-胺基葡萄糖苷酶及纖維素酶)、微生物生質量、有機碳和其他土壤性質。結果顯示六龜森林土壤與碳循環有關的酵素活性:(1) 土壤β-配醣酶活性，在台灣杉人工林與天然闊葉林分別為1.20-3.06 (平均2.03 ± 0.79)及3.54-5.49 (平均4.18 ± 0.73) μmol p-nitrophenol g-1soil h-1 ，(2) 土壤β-胺基葡萄醣苷酶活性在台灣杉人工林與天然闊葉林分別為1.50-1.86 (平均1.67 ± 0.13)及1.95-4.37 (平均3.00 ± 0.93) μmol p-nitrophenol g-1soil h-1，(3) 土壤纖維素酶活性在台灣杉人工林與天然闊葉林分別為0.0945-0.332 (平均0.23 ± 0.08)及0.399-0.821 (平均0.62 ± 0.15) μmol glucose g-1soil 24 h-1。森林土壤有機碳總量和此三種土壤酵素活性均無顯著之季節性變化但均隨著土壤深度之增加而減少(P < 0.05)。簡單相關分析結果顯示：土壤β-配醣酶、β-胺基葡萄糖苷酶、纖維素酶活性彼此間且均與微生物生質碳、生質氮、全氮及有機碳間呈極顯著之正相關(P < 0.001)，土壤β-胺基葡萄糖苷酶、纖維素酶活性、生質碳、生質氮則均與土壤水分間呈顯著正相關(P < 0.05)。土壤有機碳總量占其森林碳匯池之比重: 台灣杉人工林估計為 61 %，天然闊葉林估計為 47 %。 | zh_TW |
| dc.description.abstract | A Taiwania plantation (N 23˚00΄13˝ E 120˚42΄25˝) and a native hardwood forest, mainly Lauraceae and Fagaceae (N 22˚59΄57˝ E 120˚42΄33˝) in Liu-Kuei, Taiwan were selected to measure the activities of soil enzymes related to carbon cycle and to examine the relations between the enzyme activities and soil properties, especially soil organic carbon, and the seasonal changes in soil organic carbon content and the enzyme activities.
The results showed that soil β-glucosidase activities in the Taiwania plantation and native hardwood forests were 1.20-3.06 (average: 2.03 ± 0.79) and 3.54-5.49 (average: 4.18 ± 0.73) μmol p-nitrophenol g-1soil h-1, respectively; soil β-glucosaminidase activities in the Taiwania plantation and native hardwood forests were 1.50-1.86 (average: 1.67 ± 0.13) and 1.95-4.37 (average: 3.00 ± 0.93) μmol p-nitrophenol g-1soil h-1, respectively; and soil cellulase activities in the Taiwania plantation and native hardwood forests were 0.0945-0.332 (average: 0.24 ± 0.08) and 0.399-0.821 (average: 0.62 ± 0.15) μmol glucose g-1soil 24 h-1, respectively. There were no significant seasonal changes in the soil carbon content and the above soil enzyme activities, but all of them significantly decreased with soil depth increased (P < 0.05). The results of simple regression analysis indicated that soil β-glucosidase, β-glucosaminidase, and cellulase activities significantly correlated with microbial biomass C, microbial biomass N, total nitrogen and soil organic carbon (P < 0.001). Soil β-glucosaminidase, cellulose activities, microbial biomass C and N significantly correlated with soil moisture (P < 0.05). The estimated percentages of the total soil organic carbon amounts to the forest carbon sinks were 61 % and 47 % for the Taiwania plantation and native hardwood forests in Liu-Kuei, respectively. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-13T04:29:51Z (GMT). No. of bitstreams: 1 ntu-95-R93623010-1.pdf: 530596 bytes, checksum: 1ad716b4778150913e27b88aadce64a4 (MD5) Previous issue date: 2006 | en |
| dc.description.tableofcontents | 摘要--------------------------------------------------- I
Abstract----------------------------------------------- III 目錄--------------------------------------------------- V 表目錄------------------------------------------------- VII 圖目錄------------------------------------------------ VIII 附錄目錄----------------------------------------------- IX 前言--------------------------------------------------- 1 前人研究----------------------------------------------- 4 一、土壤酵素------------------------------------------- 4 二、碳循環與土壤酵素間之關係--------------------------- 5 三、土壤碳滙------------------------------------------- 10 材料與方法--------------------------------------------- 12 一、研究架構------------------------------------------- 12 二、採樣地點與氣候狀況--------------------------------- 13 三、土壤樣品之採集方法--------------------------------- 18 四、土壤酵素活性之測定法------------------------------- 18 五、土壤物理性質之分析--------------------------------- 20 六、土壤化學性質之分析--------------------------------- 20 七、土壤生物性質之分析--------------------------------- 21 八、各土壤及總土壤有機碳含量之估計方式----------------- 22 九、統計分析方法--------------------------------------- 23 結果與討論--------------------------------------------- 24 一、六龜森林土壤性質之季節性變化----------------------- 24 二、六龜森林土壤有機碳含量之季節性變化----------------- 26 (一)土壤有機碳表層(0-20cm)之季節性變化---------------- 26 (二)土壤有機碳總量之季節性變化------------------------ 30 三、六龜森林土壤酵素活性之季節性變化------------------- 33 四、六龜森林土壤酵素活性隨土壤深度之變化--------------- 37 五、六龜森林土壤酵素活性與有機碳及其他土壤性質間之關係- 39 (一)土壤酵素活性與有機碳及生物性質間之關係------------ 40 (二)土壤酵素活性與其他土壤性質間之關係---------------- 43 六、六龜森林土壤有機碳估計總量及佔其森林碳匯之比重----- 46 結論--------------------------------------------------- 48 參考文獻----------------------------------------------- 49 附錄--------------------------------------------------- 58 | |
| dc.language.iso | zh-TW | |
| dc.title | 六龜森林土壤碳循環有關酵素活性之研究 | zh_TW |
| dc.title | The activities of enzymes related to carbon cycle in Liu-Kuei forest soils | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 94-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 林國銓(Kuo-Chuan Lin),譚鎮中(Chen-Chung Tan),陳尊賢(Zueng-Sang Chen),王明光(Ming-Kuang Wang) | |
| dc.subject.keyword | 六龜,森林,土壤,碳,酵素, | zh_TW |
| dc.subject.keyword | Liu-Kuei,forest,soil,carbon,enzyme, | en |
| dc.relation.page | 61 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2006-07-21 | |
| dc.contributor.author-college | 生物資源暨農學院 | zh_TW |
| dc.contributor.author-dept | 農業化學研究所 | zh_TW |
| 顯示於系所單位： | 農業化學系 | |
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